1: (0 1 6)

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

2: (3 6 20)

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

3: (2 8 4)

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

4: (1 13 6)

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