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