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

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

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

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

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