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