C312322331333132212111133133313331323133313221211111211331333133311233221   >>    C31232233133313221211113313331333132313331322121111121133133313331123322   <<    C312322331333132212111133133313331323133313221211111211331333133311233223   >>      C312322331333132212111133133313331323133313221211111211331333133311233222   >>