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

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

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

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

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