C31232233133313221211113313331333133313331212111133131333132321221   >>    C3123223313331322121111331333133313331333121211113313133313232122   <<    C31232233133313221211113313331333133313331212111133131333132321223   >>      C31232233133313221211113313331333133313331212111133131333132321222   >>