C111123313121111121111331323133313331333132322121111133313332221221   >>    C11112331312111112111133132313331333133313232212111113331333222122   <<    C111123313121111121111331323133313331333132322121111133313332221223   >>      C111123313121111121111331323133313331333132322121111133313332221222   >>