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

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

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

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

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