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

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

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

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

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