1: (5 11 15)

(0 4 2)(1 12 10)(3 9 6)(5 11 15)(7 16 13)(8 19 18)(14 20 17)

2: (1 12 10)

(0 4 2)(1)(3 9 6)(5 11 15)(7 16 13)(8 19 18)(10)(12)(14 20 17)

3: (5 11 15)

(0 4 2)(1)(3 9 6)(5)(7 16 13)(8 19 18)(10)(11)(12)(14 20 17)(15)

4: (7 16 13)

(0 4 2)(1)(3 9 6)(5)(7)(8 19 18)(10)(11)(12)(13)(14 20 17)(15)(16)