1: (0 4 12)

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

2: (6 15 20)

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

3: (2 21 19)

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

4: (11 16 14)

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