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

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

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

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

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