C312322331333132212111133133313331323133313221211111211111333133312221   >>    C31232233133313221211113313331333132313331322121111121111133313331222   <<    C312322331333132212111133133313331323133313221211111211111333133312223   >>      C312322331333132212111133133313331323133313221211111211111333133312222   >>