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