C312322331333132212111133133313331323133313331333131211111133131231   >>    C31232233133313221211113313331333132313331333133313121111113313123   <<    C312322331333132212111133133313331323133313331333131211111133131233   >>      C312322331333132212111133133313331323133313331333131211111133131232   >>