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

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

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

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

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