C312322331333132212111133133313331323133313221211111333131313311   >>    C31232233133313221211113313331333132313331322121111133313131331   <<    C312322331333132212111133133313331323133313221211111333131313313   >>      C312322331333132212111133133313331323133313221211111333131313312   >>