C312322331333132212111133133313331323133313221211331333132321333231   >>    C31232233133313221211113313331333132313331322121133133313232133323   <<    C312322331333132212111133133313331323133313221211331333132321333233   >>      C312322331333132212111133133313331323133313221211331333132321333232   >>