C111113331333132322331333133313331323133313231333133313112113313121   >>    C11111333133313232233133313331333132313331323133313331311211331312   <<    C111113331333132322331333133313331323133313231333133313112113313123   >>      C111113331333132322331333133313331323133313231333133313112113313122   >>