1: (0 1 4)

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

2: (1 6 13)

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

3: (2 16 8)

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

4: (5 11 7)

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