1: (0 6 16)

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

2: (4 21 13)

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

3: (1 11 18)

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

4: (10 14 12)

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