C312322331333132212111133133313331333133112112312111133131133132233312321   >>    C31232233133313221211113313331333133313311211231211113313113313223331232   <<    C312322331333132212111133133313331333133112112312111133131133132233312323   >>      C312322331333132212111133133313331333133112112312111133131133132233312322   >>