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

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

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

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

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