(0 21 2)(1 8 3)(4 11 5)(6 19 17 9 7)(10 14 12)(13 18 15)(16 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 8 14)

(0 21 2)(1 12 10 14 3)(4 11 5)(6 19 17 9 7)(8)(13 18 15)(16 22 20)
2: (7 17 9)

(0 21 2)(1 12 10 14 3)(4 11 5)(6 19 17)(7)(8)(9)(13 18 15)(16 22 20)
3: (13 18 15)

(0 21 2)(1 12 10 14 3)(4 11 5)(6 19 17)(7)(8)(9)(13)(15)(16 22 20)(18)
4: (3 10 14)

(0 21 2)(1 12 10)(3)(4 11 5)(6 19 17)(7)(8)(9)(13)(14)(15)(16 22 20)(18)