C312322331333132212111133133313331333133112112312111133131133132321   >>    C31232233133313221211113313331333133313311211231211113313113313232   <<    C312322331333132212111133133313331333133112112312111133131133132323   >>      C312322331333132212111133133313331333133112112312111133131133132322   >>