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

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

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

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

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