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

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

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

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

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