C312322331333132212111133133313331323133313221211111211331313222221   >>    C31232233133313221211113313331333132313331322121111121133131322222   <<    C312322331333132212111133133313331323133313221211111211331313222223   >>      C312322331333132212111133133313331323133313221211111211331313222222   >>