C312322331333132212111133133313331333131133113313331333131211331211211   >>    C31232233133313221211113313331333133313113311331333133313121133121121   <<    C312322331333132212111133133313331333131133113313331333131211331211213   >>      C312322331333132212111133133313331333131133113313331333131211331211212   >>