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