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

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

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

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

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