C111113331333132322331333133313331323133313233213133313331333131133132213133121   >>    C11111333133313232233133313331333132313331323321313331333133313113313221313312   <<    C111113331333132322331333133313331323133313233213133313331333131133132213133123   >>      C111113331333132322331333133313331323133313233213133313331333131133132213133122   >>