C11111333133313232233133313331333131123313233313231333132222321   >>    C1111133313331323223313331333133313112331323331323133313222232   <<    C11111333133313232233133313331333131123313233313231333132222323   >>      C11111333133313232233133313331333131123313233313231333132222322   >>