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

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

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

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

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