case
{~undo.value == 1}{if(([fp1,fp2,fp3,fp4,fp5,fp6,fp7,fp8,fp9,fp10,fp11,fp12] == [~r1,~r2,~r3,~r4,~r5,~r6,~r7,~r8,~r9,~r10,~r11,~r12]).postln, {#fp1,fp2,fp3,fp4,fp5,fp6,fp7,fp8,fp9,fp10,fp11,fp12 = [~u1,~u2,~u3,~u4,~u5,~u6,~u7,~u8,~u9,~u10,~u11,~u12]},{#fp1,fp2,fp3,fp4,fp5,fp6,fp7,fp8,fp9,fp10,fp11,fp12 = [~r1,~r2,~r3,~r4,~r5,~r6,~r7,~r8,~r9,~r10,~r11,~r12]});~undo.value = 0;}
{~undo.value == 2}{if([fp1b,fp2b,fp3b,fp4b,fp5b,fp6b,fp7b,fp8b,fp9b,fp10b,fp11b,fp12b] == [~r1b,~r2b,~r3b,~r4b,~r5b,~r6b,~r7b,~r8b,~r9b,~r10b,~r11b,~r12b], {#fp1b,fp2b,fp3b,fp4b,fp5b,fp6b,fp7b,fp8b,fp9b,fp10b,fp11b,fp12b = [~u1b,~u2b,~u3b,~u4b,~u5b,~u6b,~u7b,~u8b,~u9b,~u10b,~u11b,~u12b]},{#fp1b,fp2b,fp3b,fp4b,fp5b,fp6b,fp7b,fp8b,fp9b,fp10b,fp11b,fp12b = [~r1b,~r2b,~r3b,~r4b,~r5b,~r6b,~r7b,~r8b,~r9b,~r10b,~r11b,~r12b]});~undo.value = 0;}
case
{~undo.value == 1}{if(([fp1,fp2,fp3,fp4,fp5,fp6,fp7,fp8,fp9,fp10,fp11,fp12] == [~r1,~r2,~r3,~r4,~r5,~r6,~r7,~r8,~r9,~r10,~r11,~r12]).postln, {#fp1,fp2,fp3,fp4,fp5,fp6,fp7,fp8,fp9,fp10,fp11,fp12 = [~u1,~u2,~u3,~u4,~u5,~u6,~u7,~u8,~u9,~u10,~u11,~u12]},{#fp1,fp2,fp3,fp4,fp5,fp6,fp7,fp8,fp9,fp10,fp11,fp12 = [~r1,~r2,~r3,~r4,~r5,~r6,~r7,~r8,~r9,~r10,~r11,~r12]});~undo.value = 0;}
{~undo.value == 2}{if([fp1b,fp2b,fp3b,fp4b,fp5b,fp6b,fp7b,fp8b,fp9b,fp10b,fp11b,fp12b] == [~r1b,~r2b,~r3b,~r4b,~r5b,~r6b,~r7b,~r8b,~r9b,~r10b,~r11b,~r12b], {#fp1b,fp2b,fp3b,fp4b,fp5b,fp6b,fp7b,fp8b,fp9b,fp10b,fp11b,fp12b = [~u1b,~u2b,~u3b,~u4b,~u5b,~u6b,~u7b,~u8b,~u9b,~u10b,~u11b,~u12b]},{#fp1b,fp2b,fp3b,fp4b,fp5b,fp6b,fp7b,fp8b,fp9b,fp10b,fp11b,fp12b = [~r1b,~r2b,~r3b,~r4b,~r5b,~r6b,~r7b,~r8b,~r9b,~r10b,~r11b,~r12b]});~undo.value = 0;}