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

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

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

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

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