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