(0 19 17)(1 21 20 7 4)(2 16 15)(3 13 11 9 5)(6 10 8)(12 18 14)
ALLOWS (11/8)-SEQUENCE
1: (0 5 11)

(0 9 5 19 17)(1 21 20 7 4)(2 16 15)(3 13 11)(6 10 8)(12 18 14)
2: (4 20 7)

(0 9 5 19 17)(1 21 20)(2 16 15)(3 13 11)(4)(6 10 8)(7)(12 18 14)
3: (5 19 9)

(0 9 17)(1 21 20)(2 16 15)(3 13 11)(4)(5)(6 10 8)(7)(12 18 14)(19)
4: (6 10 8)

(0 9 17)(1 21 20)(2 16 15)(3 13 11)(4)(5)(6)(7)(8)(10)(12 18 14)(19)