C31232233133313221211113313331333133313332321333131133131333131   >>    C3123223313331322121111331333133313331333232133313113313133313   <<    C31232233133313221211113313331333133313332321333131133131333133   >>      C31232233133313221211113313331333133313332321333131133131333132   >>