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

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

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

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

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