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

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

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

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

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