C312322331333132212111133133313331333131133113313331333131211111333133112323321   >>    C31232233133313221211113313331333133313113311331333133313121111133313311232332   <<    C312322331333132212111133133313331333131133113313331333131211111333133112323323   >>      C312322331333132212111133133313331333131133113313331333131211111333133112323322   >>