C312322331333132212111133133313331312111133132313331333131111231   >>    C31232233133313221211113313331333131211113313231333133313111123   <<    C312322331333132212111133133313331312111133132313331333131111233   >>      C312322331333132212111133133313331312111133132313331333131111232   >>