C312322331333132212111133133313331323133313221211111333131133112111311   >>    C31232233133313221211113313331333132313331322121111133313113311211131   <<    C312322331333132212111133133313331323133313221211111333131133112111313   >>      C312322331333132212111133133313331323133313221211111333131133112111312   >>