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

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

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

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

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