C312322331333132212111133133313331323133313221211113313331123313223111   >>    C31232233133313221211113313331333132313331322121111331333112331322311   <<    C312322331333132212111133133313331323133313221211113313331123313223113   >>      C312322331333132212111133133313331323133313221211113313331123313223112   >>