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

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

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

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

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