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