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

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

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

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

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