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

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

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

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

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