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

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

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

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

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