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

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

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

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

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