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