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

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

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

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

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