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