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