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

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

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

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

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