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