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