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

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

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

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

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