C31232233133313221211113313331333132313331333133313331333133311211331323131121   >>    C3123223313331322121111331333133313231333133313331333133313331121133132313112   <<    C31232233133313221211113313331333132313331333133313331333133311211331323131123   >>      C31232233133313221211113313331333132313331333133313331333133311211331323131122   >>