C31232233133313221211113313331333133313122132313331323133313112131   >>    C3123223313331322121111331333133313331312213231333132313331311213   <<    C31232233133313221211113313331333133313122132313331323133313112133   >>      C31232233133313221211113313331333133313122132313331323133313112132   >>