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