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

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

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

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

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