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

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

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

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

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