1: (0 4 12)

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

2: (6 12 21)

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

3: (5 15 7)

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

4: (4 19 12)

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