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

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

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

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

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