(0 19 3)(1 7 2)(4 10 8)(5 21 20)(6 17 15 13 11)(9 14 12)(16 22 18)
ALLOWS (11/8)-SEQUENCE
1: (1 7 13)

(0 19 3)(1 11 6 17 15 13 2)(4 10 8)(5 21 20)(7)(9 14 12)(16 22 18)
2: (6 17 11)

(0 19 3)(1 11 15 13 2)(4 10 8)(5 21 20)(6)(7)(9 14 12)(16 22 18)(17)
3: (9 14 12)

(0 19 3)(1 11 15 13 2)(4 10 8)(5 21 20)(6)(7)(9)(12)(14)(16 22 18)(17)
4: (2 15 13)

(0 19 3)(1 11 15)(2)(4 10 8)(5 21 20)(6)(7)(9)(12)(13)(14)(16 22 18)(17)