C312322331333132212111133133313331323133313221211113313121111332322221   >>    C31232233133313221211113313331333132313331322121111331312111133232222   <<    C312322331333132212111133133313331323133313221211113313121111332322223   >>      C312322331333132212111133133313331323133313221211113313121111332322222   >>