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