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

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

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

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

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