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