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

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

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

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

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