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