C312322331333132212111133133313331333131121132313231333132313133313223311   >>    C31232233133313221211113313331333133313112113231323133313231313331322331   <<    C312322331333132212111133133313331333131121132313231333132313133313223313   >>      C312322331333132212111133133313331333131121132313231333132313133313223312   >>