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

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

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

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

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