1: (0 4 15)

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

2: (1 21 13)

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

3: (0 11 15)

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

4: (9 14 12)

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