C312322331333132212111133133313331323133313221211331333133313121111331313232131   >>    C31232233133313221211113313331333132313331322121133133313331312111133131323213   <<    C312322331333132212111133133313331323133313221211331333133313121111331313232133   >>      C312322331333132212111133133313331323133313221211331333133313121111331313232132   >>