C312322331333132212111133133313331323133313221211331333133313121221211   >>    C31232233133313221211113313331333132313331322121133133313331312122121   <<    C312322331333132212111133133313331323133313221211331333133313121221213   >>      C312322331333132212111133133313331323133313221211331333133313121221212   >>