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

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

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

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

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