C312322331333132212111133133313331323133313221211111333131211113313331333121211   >>    C31232233133313221211113313331333132313331322121111133313121111331333133312121   <<    C312322331333132212111133133313331323133313221211111333131211113313331333121213   >>      C312322331333132212111133133313331323133313221211111333131211113313331333121212   >>