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

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

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

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

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