1: (1 7 15)

(0 20 3)(1)(2 12 10 8 4)(5 9 6)(7 16 15 19 17 13 11)(14 21 18)

2: (11 15 19)

(0 20 3)(1)(2 12 10 8 4)(5 9 6)(7 16 15)(11 17 13)(14 21 18)(19)

3: (14 21 18)

(0 20 3)(1)(2 12 10 8 4)(5 9 6)(7 16 15)(11 17 13)(14)(18)(19)(21)

4: (2 12 10)

(0 20 3)(1)(2 8 4)(5 9 6)(7 16 15)(10)(11 17 13)(12)(14)(18)(19)(21)