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

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

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

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

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