C312322331333132212111133133313331333131133113313331333131211113321133132312321   >>    C31232233133313221211113313331333133313113311331333133313121111332113313231232   <<    C312322331333132212111133133313331333131133113313331333131211113321133132312323   >>      C312322331333132212111133133313331333131133113313331333131211113321133132312322   >>