C31232233133313221211113313331333132313331322121111132313331323133313331313231   >>    C3123223313331322121111331333133313231333132212111113231333132313331333131323   <<    C31232233133313221211113313331333132313331322121111132313331323133313331313233   >>      C31232233133313221211113313331333132313331322121111132313331323133313331313232   >>