C31232233133313221211113313331333132313331322121111121133131333132321111   >>    C3123223313331322121111331333133313231333132212111112113313133313232111   <<    C31232233133313221211113313331333132313331322121111121133131333132321113   >>      C31232233133313221211113313331333132313331322121111121133131333132321112   >>