C312322331333132212111133133313331323133313221211111211111211331311233133313221   >>    C31232233133313221211113313331333132313331322121111121111121133131123313331322   <<    C312322331333132212111133133313331323133313221211111211111211331311233133313223   >>      C312322331333132212111133133313331323133313221211111211111211331311233133313222   >>