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

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

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

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

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