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

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

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

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

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