C312322331333132212111133133313331333131121132313231333132322311   >>    C31232233133313221211113313331333133313112113231323133313232231   <<    C312322331333132212111133133313331333131121132313231333132322313   >>      C312322331333132212111133133313331333131121132313231333132322312   >>