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