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

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

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

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

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