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

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

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

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

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