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

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

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

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

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