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

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

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

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

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