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