C312322331333132212111133133313331323132322331333131121131133231   >>    C31232233133313221211113313331333132313232233133313112113113323   <<    C312322331333132212111133133313331323132322331333131121131133233   >>      C312322331333132212111133133313331323132322331333131121131133232   >>