C312322331333132212111133133313331312111133132313113313232212111133131111231   >>    C31232233133313221211113313331333131211113313231311331323221211113313111123   <<    C312322331333132212111133133313331312111133132313113313232212111133131111233   >>      C312322331333132212111133133313331312111133132313113313232212111133131111232   >>