C31232233133313221211113313331333132313331322121111113312112113231   >>    C3123223313331322121111331333133313231333132212111111331211211323   <<    C31232233133313221211113313331333132313331322121111113312112113233   >>      C31232233133313221211113313331333132313331322121111113312112113232   >>