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

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

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

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

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