1: (0 5 15)

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

2: (7 15 19)

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

3: (6 16 14)

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

4: (15 20 18)

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