C31232233133313221211113313331333132313331322121111121133132323112331   >>    C3123223313331322121111331333133313231333132212111112113313232311233   <<    C31232233133313221211113313331333132313331322121111121133132323112333   >>      C31232233133313221211113313331333132313331322121111121133132323112332   >>