C31232233133313221211113313331333132313331322121111112223313112113313331323121   >>    C3123223313331322121111331333133313231333132212111111222331311211331333132312   <<    C31232233133313221211113313331333132313331322121111112223313112113313331323123   >>      C31232233133313221211113313331333132313331322121111112223313112113313331323122   >>