C312322331333132212111133133313331323133313221211331333133323222211   >>    C31232233133313221211113313331333132313331322121133133313332322221   <<    C312322331333132212111133133313331323133313221211331333133323222213   >>      C312322331333132212111133133313331323133313221211331333133323222212   >>