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

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

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

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

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